macOS
Persistent RAMDisk
Works on macOS Big Sur.
Reference
Persistence
There is a non-deprecated way to do it:
Open the Script Editor app.
Paste
do shell script "~/.login"
on quit
do shell script "~/.logout"
continue quit
end quit
File > Save , Select Application and Stay open after run handler and Save
System Preferences > Users & Groups > Login Items tab > + button
Add the application and mark it as Hidden
To hide it from the Dock:
Right-click the application and select Show package contents
Open Info.plist and add
NSUIElement
1
Create RAMDisk scripts
$ touch ~/.login
$ touch ~/.logout
$ chmod +x ~/.login
$ chmod +x ~/.logout
Open ~/.login and paste, this creates a 1GB RAMDisk
#!/usr/bin/env bash
diskutil erasevolume HFS+ "RAMDisk" `hdiutil attach -nomount ram://2097152` && rsync -rauL --ignore-errors ~/.RAMDisk/ /Volumes/RAMDisk
Open ~/.logout and paste
#!/usr/bin/env bash
rsync -rauL --delete --ignore-errors /Volumes/RAMDisk/ ~/.RAMDisk
Mount the RAMDisk $ ~/.login
The RAMDisk should appear in Finder .
Example use: PHPStorm caches on RAMDisk
Create a folder called PHPStorm on the RAMDisk.
Start PHPStorm > Help > Edit custom properties... and paste
idea.system.path=/Volumes/RAMDisk/PHPStorm